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Mass Transfer

Mass Transfer
The film penetration model of mass transfer was enunciated by

Fick
Stefan
Gilliland
Toor and Marchello

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Mass Transfer
In which of the following unit operations, the selectivity is an important parameter?

Solvent extraction
Distillation
None of these
Absorption

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Mass Transfer
Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent

Partially miscible ternary system
A binary mixture
A pure component
A ternary mixture

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Mass Transfer
Mass transfer co-efficient is directly proportional to DAB according to the __________ theory.

Film
Penetration
Surface-renewal
None of these

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Mass Transfer
Nitrobenzene (boiling point = 210.6°C) is steam distilled at 1 atm pressure.Nitrobenzene will distill off __________ °C.

Between 100 and 210
None of the listed here
At > 210.6
At < 100

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Mass Transfer
Inside the distillation columns, the

Driving force for the liquid flow is its weight
Highest temperatures is near the feed plate
Vapors are not always at their dew points
All of these

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